<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>优先级</title>
		<style type="text/css"> 
			/* span{
				font-size: 49px;
			}
			div span{
				color: red;
				font-size: 9px;
			} */
			#d1{
				font-size: 49px;
			}
			div span{
				color: red;
				font-size: 9px;
			}
			h2{
				height: 90px;
				line-height: 90px;
				font-size: 30px;
				background-color: bisque;
				text-align: center;
				vertical-align:middle ;
			}
		</style>
	</head>
	<body>
		<div>
			<span id="d1">大家好</span>
		</div>
		<h2>
			教育改变生活
		</h2>
	</body>
</html>
